根瘤菌通过形成根瘤和它们的宿主建立了一种共生关系——用氮换取营养。 根瘤通常会渗透进植物的根，有时候还会渗透进植物的茎。
Rhizobia establish a symbiotic relationship with their host plant ― exchanging nitrogen for nutrients ― by forming nodules, which penetrate the roots and sometimes stems of the plant.
本发明公开了一种用于分离植物内生菌的消毒方法，包括以下步骤：1） 在无菌工作台内，将欲分离内生菌的宿主样品用无菌水清洗；
The sterilization method of separating plant endophyte includes the following steps: 1. washing the host sample with endophyte to be separated with bacteria-free water in a bacteria-free work bench;
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